/**
 * 微信小程序JavaScriptSDK
 *
 * @version 1.2
 * @date 2019-03-06
 * @author v_ylyue@tencent.com
 */

var ERROR_CONF = {
  KEY_ERR: 311,
  KEY_ERR_MSG: 'key格式错误',
  PARAM_ERR: 310,
  PARAM_ERR_MSG: '请求参数信息有误',
  SYSTEM_ERR: 600,
  SYSTEM_ERR_MSG: '系统错误',
  WX_ERR_CODE: 1000,
  WX_OK_CODE: 200
};
var BASE_URL = 'https://apis.map.qq.com/ws/';
var URL_SEARCH = BASE_URL + 'place/v1/search';
var URL_SUGGESTION = BASE_URL + 'place/v1/suggestion';
var URL_GET_GEOCODER = BASE_URL + 'geocoder/v1/';
var URL_CITY_LIST = BASE_URL + 'district/v1/list';
var URL_AREA_LIST = BASE_URL + 'district/v1/getchildren';
var URL_DISTANCE = BASE_URL + 'distance/v1/';
var URL_DIRECTION = BASE_URL + 'direction/v1/';
var MODE = {
  driving: 'driving',
  transit: 'transit'
};
var EARTH_RADIUS = 6378136.49;
var Utils = {
  /**
   * md5加密方法
   * 版权所有©2011 Sebastian Tschan，https：//blueimp.net
   */
  safeAdd(x, y) {
    var lsw = (x & 0xffff) + (y & 0xffff);
    var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
    return (msw << 16) | (lsw & 0xffff);
  },
  bitRotateLeft(num, cnt) {
    return (num << cnt) | (num >>> (32 - cnt));
  },
  md5cmn(q, a, b, x, s, t) {
    return this.safeAdd(this.bitRotateLeft(this.safeAdd(this.safeAdd(a, q), this.safeAdd(x, t)), s), b);
  },
  md5ff(a, b, c, d, x, s, t) {
    return this.md5cmn((b & c) | (~b & d), a, b, x, s, t);
  },
  md5gg(a, b, c, d, x, s, t) {
    return this.md5cmn((b & d) | (c & ~d), a, b, x, s, t);
  },
  md5hh(a, b, c, d, x, s, t) {
    return this.md5cmn(b ^ c ^ d, a, b, x, s, t);
  },
  md5ii(a, b, c, d, x, s, t) {
    return this.md5cmn(c ^ (b | ~d), a, b, x, s, t);
  },
  binlMD5(x, len) {
    /* append padding */
    x[len >> 5] |= 0x80 << len % 32;
    x[(((len + 64) >>> 9) << 4) + 14] = len;

    var i;
    var olda;
    var oldb;
    var oldc;
    var oldd;
    var a = 1732584193;
    var b = -271733879;
    var c = -1732584194;
    var d = 271733878;

    for (i = 0; i < x.length; i += 16) {
      olda = a;
      oldb = b;
      oldc = c;
      oldd = d;

      a = this.md5ff(a, b, c, d, x[i], 7, -680876936);
      d = this.md5ff(d, a, b, c, x[i + 1], 12, -389564586);
      c = this.md5ff(c, d, a, b, x[i + 2], 17, 606105819);
      b = this.md5ff(b, c, d, a, x[i + 3], 22, -1044525330);
      a = this.md5ff(a, b, c, d, x[i + 4], 7, -176418897);
      d = this.md5ff(d, a, b, c, x[i + 5], 12, 1200080426);
      c = this.md5ff(c, d, a, b, x[i + 6], 17, -1473231341);
      b = this.md5ff(b, c, d, a, x[i + 7], 22, -45705983);
      a = this.md5ff(a, b, c, d, x[i + 8], 7, 1770035416);
      d = this.md5ff(d, a, b, c, x[i + 9], 12, -1958414417);
      c = this.md5ff(c, d, a, b, x[i + 10], 17, -42063);
      b = this.md5ff(b, c, d, a, x[i + 11], 22, -1990404162);
      a = this.md5ff(a, b, c, d, x[i + 12], 7, 1804603682);
      d = this.md5ff(d, a, b, c, x[i + 13], 12, -40341101);
      c = this.md5ff(c, d, a, b, x[i + 14], 17, -1502002290);
      b = this.md5ff(b, c, d, a, x[i + 15], 22, 1236535329);

      a = this.md5gg(a, b, c, d, x[i + 1], 5, -165796510);
      d = this.md5gg(d, a, b, c, x[i + 6], 9, -1069501632);
      c = this.md5gg(c, d, a, b, x[i + 11], 14, 643717713);
      b = this.md5gg(b, c, d, a, x[i], 20, -373897302);
      a = this.md5gg(a, b, c, d, x[i + 5], 5, -701558691);
      d = this.md5gg(d, a, b, c, x[i + 10], 9, 38016083);
      c = this.md5gg(c, d, a, b, x[i + 15], 14, -660478335);
      b = this.md5gg(b, c, d, a, x[i + 4], 20, -405537848);
      a = this.md5gg(a, b, c, d, x[i + 9], 5, 568446438);
      d = this.md5gg(d, a, b, c, x[i + 14], 9, -1019803690);
      c = this.md5gg(c, d, a, b, x[i + 3], 14, -187363961);
      b = this.md5gg(b, c, d, a, x[i + 8], 20, 1163531501);
      a = this.md5gg(a, b, c, d, x[i + 13], 5, -1444681467);
      d = this.md5gg(d, a, b, c, x[i + 2], 9, -51403784);
      c = this.md5gg(c, d, a, b, x[i + 7], 14, 1735328473);
      b = this.md5gg(b, c, d, a, x[i + 12], 20, -1926607734);

      a = this.md5hh(a, b, c, d, x[i + 5], 4, -378558);
      d = this.md5hh(d, a, b, c, x[i + 8], 11, -2022574463);
      c = this.md5hh(c, d, a, b, x[i + 11], 16, 1839030562);
      b = this.md5hh(b, c, d, a, x[i + 14], 23, -35309556);
      a = this.md5hh(a, b, c, d, x[i + 1], 4, -1530992060);
      d = this.md5hh(d, a, b, c, x[i + 4], 11, 1272893353);
      c = this.md5hh(c, d, a, b, x[i + 7], 16, -155497632);
      b = this.md5hh(b, c, d, a, x[i + 10], 23, -1094730640);
      a = this.md5hh(a, b, c, d, x[i + 13], 4, 681279174);
      d = this.md5hh(d, a, b, c, x[i], 11, -358537222);
      c = this.md5hh(c, d, a, b, x[i + 3], 16, -722521979);
      b = this.md5hh(b, c, d, a, x[i + 6], 23, 76029189);
      a = this.md5hh(a, b, c, d, x[i + 9], 4, -640364487);
      d = this.md5hh(d, a, b, c, x[i + 12], 11, -421815835);
      c = this.md5hh(c, d, a, b, x[i + 15], 16, 530742520);
      b = this.md5hh(b, c, d, a, x[i + 2], 23, -995338651);

      a = this.md5ii(a, b, c, d, x[i], 6, -198630844);
      d = this.md5ii(d, a, b, c, x[i + 7], 10, 1126891415);
      c = this.md5ii(c, d, a, b, x[i + 14], 15, -1416354905);
      b = this.md5ii(b, c, d, a, x[i + 5], 21, -57434055);
      a = this.md5ii(a, b, c, d, x[i + 12], 6, 1700485571);
      d = this.md5ii(d, a, b, c, x[i + 3], 10, -1894986606);
      c = this.md5ii(c, d, a, b, x[i + 10], 15, -1051523);
      b = this.md5ii(b, c, d, a, x[i + 1], 21, -2054922799);
      a = this.md5ii(a, b, c, d, x[i + 8], 6, 1873313359);
      d = this.md5ii(d, a, b, c, x[i + 15], 10, -30611744);
      c = this.md5ii(c, d, a, b, x[i + 6], 15, -1560198380);
      b = this.md5ii(b, c, d, a, x[i + 13], 21, 1309151649);
      a = this.md5ii(a, b, c, d, x[i + 4], 6, -145523070);
      d = this.md5ii(d, a, b, c, x[i + 11], 10, -1120210379);
      c = this.md5ii(c, d, a, b, x[i + 2], 15, 718787259);
      b = this.md5ii(b, c, d, a, x[i + 9], 21, -343485551);

      a = this.safeAdd(a, olda);
      b = this.safeAdd(b, oldb);
      c = this.safeAdd(c, oldc);
      d = this.safeAdd(d, oldd);
    }
    return [a, b, c, d];
  },
  binl2rstr(input) {
    var i;
    var output = '';
    var length32 = input.length * 32;
    for (i = 0; i < length32; i += 8) {
      output += String.fromCharCode((input[i >> 5] >>> i % 32) & 0xff);
    }
    return output;
  },
  rstr2binl(input) {
    var i;
    var output = [];
    output[(input.length >> 2) - 1] = undefined;
    for (i = 0; i < output.length; i += 1) {
      output[i] = 0;
    }
    var length8 = input.length * 8;
    for (i = 0; i < length8; i += 8) {
      output[i >> 5] |= (input.charCodeAt(i / 8) & 0xff) << i % 32;
    }
    return output;
  },
  rstrMD5(s) {
    return this.binl2rstr(this.binlMD5(this.rstr2binl(s), s.length * 8));
  },
  rstrHMACMD5(key, data) {
    var i;
    var bkey = this.rstr2binl(key);
    var ipad = [];
    var opad = [];
    var hash;
    ipad[15] = opad[15] = undefined;
    if (bkey.length > 16) {
      bkey = this.binlMD5(bkey, key.length * 8);
    }
    for (i = 0; i < 16; i += 1) {
      ipad[i] = bkey[i] ^ 0x36363636;
      opad[i] = bkey[i] ^ 0x5c5c5c5c;
    }
    hash = this.binlMD5(ipad.concat(this.rstr2binl(data)), 512 + data.length * 8);
    return this.binl2rstr(this.binlMD5(opad.concat(hash), 512 + 128));
  },
  rstr2hex(input) {
    var hexTab = '0123456789abcdef';
    var output = '';
    var x;
    var i;
    for (i = 0; i < input.length; i += 1) {
      x = input.charCodeAt(i);
      output += hexTab.charAt((x >>> 4) & 0x0f) + hexTab.charAt(x & 0x0f);
    }
    return output;
  },
  str2rstrUTF8(input) {
    return unescape(encodeURIComponent(input));
  },
  rawMD5(s) {
    return this.rstrMD5(this.str2rstrUTF8(s));
  },
  hexMD5(s) {
    return this.rstr2hex(this.rawMD5(s));
  },
  rawHMACMD5(k, d) {
    return this.rstrHMACMD5(this.str2rstrUTF8(k), str2rstrUTF8(d));
  },
  hexHMACMD5(k, d) {
    return this.rstr2hex(this.rawHMACMD5(k, d));
  },

  md5(string, key, raw) {
    if (!key) {
      if (!raw) {
        return this.hexMD5(string);
      }
      return this.rawMD5(string);
    }
    if (!raw) {
      return this.hexHMACMD5(key, string);
    }
    return this.rawHMACMD5(key, string);
  },
  /**
   * 得到md5加密后的sig参数
   * @param {Object} requestParam 接口参数
   * @param {String} sk签名字符串
   * @param {String} featrue 方法名
   * @return 返回加密后的sig参数
   */
  getSig(requestParam, sk, feature, mode) {
    var sig = null;
    var requestArr = [];
    Object.keys(requestParam)
      .sort()
      .forEach(function (key) {
        requestArr.push(key + '=' + requestParam[key]);
      });
    if (feature == 'search') {
      sig = '/ws/place/v1/search?' + requestArr.join('&') + sk;
    }
    if (feature == 'suggest') {
      sig = '/ws/place/v1/suggestion?' + requestArr.join('&') + sk;
    }
    if (feature == 'reverseGeocoder') {
      sig = '/ws/geocoder/v1/?' + requestArr.join('&') + sk;
    }
    if (feature == 'geocoder') {
      sig = '/ws/geocoder/v1/?' + requestArr.join('&') + sk;
    }
    if (feature == 'getCityList') {
      sig = '/ws/district/v1/list?' + requestArr.join('&') + sk;
    }
    if (feature == 'getDistrictByCityId') {
      sig = '/ws/district/v1/getchildren?' + requestArr.join('&') + sk;
    }
    if (feature == 'calculateDistance') {
      sig = '/ws/distance/v1/?' + requestArr.join('&') + sk;
    }
    if (feature == 'direction') {
      sig = '/ws/direction/v1/' + mode + '?' + requestArr.join('&') + sk;
    }
    sig = this.md5(sig);
    return sig;
  },
  /**
   * 得到终点query字符串
   * @param {Array|String} 检索数据
   */
  location2query(data) {
    if (typeof data == 'string') {
      return data;
    }
    var query = '';
    for (var i = 0; i < data.length; i++) {
      var d = data[i];
      if (!!query) {
        query += ';';
      }
      if (d.location) {
        query = query + d.location.lat + ',' + d.location.lng;
      }
      if (d.latitude && d.longitude) {
        query = query + d.latitude + ',' + d.longitude;
      }
    }
    return query;
  },

  /**
   * 计算角度
   */
  rad(d) {
    return (d * Math.PI) / 180.0;
  },
  /**
   * 处理终点location数组
   * @return 返回终点数组
   */
  getEndLocation(location) {
    var to = location.split(';');
    var endLocation = [];
    for (var i = 0; i < to.length; i++) {
      endLocation.push({
        lat: parseFloat(to[i].split(',')[0]),
        lng: parseFloat(to[i].split(',')[1])
      });
    }
    return endLocation;
  },

  /**
   * 计算两点间直线距离
   * @param a 表示纬度差
   * @param b 表示经度差
   * @return 返回的是距离，单位m
   */
  getDistance(latFrom, lngFrom, latTo, lngTo) {
    var radLatFrom = this.rad(latFrom);
    var radLatTo = this.rad(latTo);
    var a = radLatFrom - radLatTo;
    var b = this.rad(lngFrom) - this.rad(lngTo);
    var distance =
      2 *
      Math.asin(
        Math.sqrt(
          Math.pow(Math.sin(a / 2), 2) + Math.cos(radLatFrom) * Math.cos(radLatTo) * Math.pow(Math.sin(b / 2), 2)
        )
      );
    distance = distance * EARTH_RADIUS;
    distance = Math.round(distance * 10000) / 10000;
    return parseFloat(distance.toFixed(0));
  },
  /**
   * 使用微信接口进行定位
   */
  getWXLocation(success, fail, complete) {
    wx.getLocation({
      type: 'gcj02',
      success: success,
      fail: fail,
      complete: complete
    });
  },

  /**
   * 获取location参数
   */
  getLocationParam(location) {
    if (typeof location == 'string') {
      var locationArr = location.split(',');
      if (locationArr.length === 2) {
        location = {
          latitude: location.split(',')[0],
          longitude: location.split(',')[1]
        };
      } else {
        location = {};
      }
    }
    return location;
  },

  /**
   * 回调函数默认处理
   */
  polyfillParam(param) {
    param.success = param.success || function () {};
    param.fail = param.fail || function () {};
    param.complete = param.complete || function () {};
  },

  /**
   * 验证param对应的key值是否为空
   *
   * @param {Object} param 接口参数
   * @param {String} key 对应参数的key
   */
  checkParamKeyEmpty(param, key) {
    if (!param[key]) {
      var errconf = this.buildErrorConfig(ERROR_CONF.PARAM_ERR, ERROR_CONF.PARAM_ERR_MSG + key + '参数格式有误');
      param.fail(errconf);
      param.complete(errconf);
      return true;
    }
    return false;
  },

  /**
   * 验证参数中是否存在检索词keyword
   *
   * @param {Object} param 接口参数
   */
  checkKeyword(param) {
    return !this.checkParamKeyEmpty(param, 'keyword');
  },

  /**
   * 验证location值
   *
   * @param {Object} param 接口参数
   */
  checkLocation(param) {
    var location = this.getLocationParam(param.location);
    if (!location || !location.latitude || !location.longitude) {
      var errconf = this.buildErrorConfig(ERROR_CONF.PARAM_ERR, ERROR_CONF.PARAM_ERR_MSG + ' location参数格式有误');
      param.fail(errconf);
      param.complete(errconf);
      return false;
    }
    return true;
  },

  /**
   * 构造错误数据结构
   * @param {Number} errCode 错误码
   * @param {Number} errMsg 错误描述
   */
  buildErrorConfig(errCode, errMsg) {
    return {
      status: errCode,
      message: errMsg
    };
  },

  /**
   *
   * 数据处理函数
   * 根据传入参数不同处理不同数据
   * @param {String} feature 功能名称
   * search 地点搜索
   * suggest关键词提示
   * reverseGeocoder逆地址解析
   * geocoder地址解析
   * getCityList获取城市列表：父集
   * getDistrictByCityId获取区县列表：子集
   * calculateDistance距离计算
   * @param {Object} param 接口参数
   * @param {Object} data 数据
   */
  handleData(param, data, feature) {
    if (feature == 'search') {
      var searchResult = data.data;
      var searchSimplify = [];
      for (var i = 0; i < searchResult.length; i++) {
        searchSimplify.push({
          id: searchResult[i].id || null,
          title: searchResult[i].title || null,
          latitude: (searchResult[i].location && searchResult[i].location.lat) || null,
          longitude: (searchResult[i].location && searchResult[i].location.lng) || null,
          address: searchResult[i].address || null,
          category: searchResult[i].category || null,
          tel: searchResult[i].tel || null,
          adcode: (searchResult[i].ad_info && searchResult[i].ad_info.adcode) || null,
          city: (searchResult[i].ad_info && searchResult[i].ad_info.city) || null,
          district: (searchResult[i].ad_info && searchResult[i].ad_info.district) || null,
          province: (searchResult[i].ad_info && searchResult[i].ad_info.province) || null
        });
      }
      param.success(data, {
        searchResult: searchResult,
        searchSimplify: searchSimplify
      });
    } else if (feature == 'suggest') {
      var suggestResult = data.data;
      var suggestSimplify = [];
      for (var i = 0; i < suggestResult.length; i++) {
        suggestSimplify.push({
          adcode: suggestResult[i].adcode || null,
          address: suggestResult[i].address || null,
          category: suggestResult[i].category || null,
          city: suggestResult[i].city || null,
          district: suggestResult[i].district || null,
          id: suggestResult[i].id || null,
          latitude: (suggestResult[i].location && suggestResult[i].location.lat) || null,
          longitude: (suggestResult[i].location && suggestResult[i].location.lng) || null,
          province: suggestResult[i].province || null,
          title: suggestResult[i].title || null,
          type: suggestResult[i].type || null
        });
      }
      param.success(data, {
        suggestResult: suggestResult,
        suggestSimplify: suggestSimplify
      });
    } else if (feature == 'reverseGeocoder') {
      var reverseGeocoderResult = data.result;
      var reverseGeocoderSimplify = {
        address: reverseGeocoderResult.address || null,
        latitude: (reverseGeocoderResult.location && reverseGeocoderResult.location.lat) || null,
        longitude: (reverseGeocoderResult.location && reverseGeocoderResult.location.lng) || null,
        adcode: (reverseGeocoderResult.ad_info && reverseGeocoderResult.ad_info.adcode) || null,
        city: (reverseGeocoderResult.address_component && reverseGeocoderResult.address_component.city) || null,
        district: (reverseGeocoderResult.address_component && reverseGeocoderResult.address_component.district) || null,
        nation: (reverseGeocoderResult.address_component && reverseGeocoderResult.address_component.nation) || null,
        province: (reverseGeocoderResult.address_component && reverseGeocoderResult.address_component.province) || null,
        street: (reverseGeocoderResult.address_component && reverseGeocoderResult.address_component.street) || null,
        street_number:
          (reverseGeocoderResult.address_component && reverseGeocoderResult.address_component.street_number) || null,
        recommend:
          (reverseGeocoderResult.formatted_addresses && reverseGeocoderResult.formatted_addresses.recommend) || null,
        rough: (reverseGeocoderResult.formatted_addresses && reverseGeocoderResult.formatted_addresses.rough) || null
      };
      if (reverseGeocoderResult.pois) {
        //判断是否返回周边poi
        var pois = reverseGeocoderResult.pois;
        var poisSimplify = [];
        for (var i = 0; i < pois.length; i++) {
          poisSimplify.push({
            id: pois[i].id || null,
            title: pois[i].title || null,
            latitude: (pois[i].location && pois[i].location.lat) || null,
            longitude: (pois[i].location && pois[i].location.lng) || null,
            address: pois[i].address || null,
            category: pois[i].category || null,
            adcode: (pois[i].ad_info && pois[i].ad_info.adcode) || null,
            city: (pois[i].ad_info && pois[i].ad_info.city) || null,
            district: (pois[i].ad_info && pois[i].ad_info.district) || null,
            province: (pois[i].ad_info && pois[i].ad_info.province) || null
          });
        }
        param.success(data, {
          reverseGeocoderResult: reverseGeocoderResult,
          reverseGeocoderSimplify: reverseGeocoderSimplify,
          pois: pois,
          poisSimplify: poisSimplify
        });
      } else {
        param.success(data, {
          reverseGeocoderResult: reverseGeocoderResult,
          reverseGeocoderSimplify: reverseGeocoderSimplify
        });
      }
    } else if (feature == 'geocoder') {
      var geocoderResult = data.result;
      var geocoderSimplify = {
        title: geocoderResult.title || null,
        latitude: (geocoderResult.location && geocoderResult.location.lat) || null,
        longitude: (geocoderResult.location && geocoderResult.location.lng) || null,
        adcode: (geocoderResult.ad_info && geocoderResult.ad_info.adcode) || null,
        province: (geocoderResult.address_components && geocoderResult.address_components.province) || null,
        city: (geocoderResult.address_components && geocoderResult.address_components.city) || null,
        district: (geocoderResult.address_components && geocoderResult.address_components.district) || null,
        street: (geocoderResult.address_components && geocoderResult.address_components.street) || null,
        street_number: (geocoderResult.address_components && geocoderResult.address_components.street_number) || null,
        level: geocoderResult.level || null
      };
      param.success(data, {
        geocoderResult: geocoderResult,
        geocoderSimplify: geocoderSimplify
      });
    } else if (feature == 'getCityList') {
      var provinceResult = data.result[0];
      var cityResult = data.result[1];
      var districtResult = data.result[2];
      param.success(data, {
        provinceResult: provinceResult,
        cityResult: cityResult,
        districtResult: districtResult
      });
    } else if (feature == 'getDistrictByCityId') {
      var districtByCity = data.result[0];
      param.success(data, districtByCity);
    } else if (feature == 'calculateDistance') {
      var calculateDistanceResult = data.result.elements;
      var distance = [];
      for (var i = 0; i < calculateDistanceResult.length; i++) {
        distance.push(calculateDistanceResult[i].distance);
      }
      param.success(data, {
        calculateDistanceResult: calculateDistanceResult,
        distance: distance
      });
    } else if (feature == 'direction') {
      var direction = data.result.routes;
      param.success(data, direction);
    } else {
      param.success(data);
    }
  },

  /**
   * 构造微信请求参数，公共属性处理
   *
   * @param {Object} param 接口参数
   * @param {Object} param 配置项
   * @param {String} feature 方法名
   */
  buildWxRequestConfig(param, options, feature) {
    var that = this;
    options.header = { 'content-type': 'application/json' };
    options.method = 'GET';
    options.success = function (res) {
      var data = res.data;
      if (data.status === 0) {
        that.handleData(param, data, feature);
      } else {
        param.fail(data);
      }
    };
    options.fail = function (res) {
      res.statusCode = ERROR_CONF.WX_ERR_CODE;
      param.fail(that.buildErrorConfig(ERROR_CONF.WX_ERR_CODE, res.errMsg));
    };
    options.complete = function (res) {
      var statusCode = +res.statusCode;
      switch (statusCode) {
        case ERROR_CONF.WX_ERR_CODE: {
          param.complete(that.buildErrorConfig(ERROR_CONF.WX_ERR_CODE, res.errMsg));
          break;
        }
        case ERROR_CONF.WX_OK_CODE: {
          var data = res.data;
          if (data.status === 0) {
            param.complete(data);
          } else {
            param.complete(that.buildErrorConfig(data.status, data.message));
          }
          break;
        }
        default: {
          param.complete(that.buildErrorConfig(ERROR_CONF.SYSTEM_ERR, ERROR_CONF.SYSTEM_ERR_MSG));
        }
      }
    };
    return options;
  },

  /**
   * 处理用户参数是否传入坐标进行不同的处理
   */
  locationProcess(param, locationsuccess, locationfail, locationcomplete) {
    var that = this;
    locationfail =
      locationfail ||
      function (res) {
        res.statusCode = ERROR_CONF.WX_ERR_CODE;
        param.fail(that.buildErrorConfig(ERROR_CONF.WX_ERR_CODE, res.errMsg));
      };
    locationcomplete =
      locationcomplete ||
      function (res) {
        if (res.statusCode == ERROR_CONF.WX_ERR_CODE) {
          param.complete(that.buildErrorConfig(ERROR_CONF.WX_ERR_CODE, res.errMsg));
        }
      };
    if (!param.location) {
      that.getWXLocation(locationsuccess, locationfail, locationcomplete);
    } else if (that.checkLocation(param)) {
      var location = Utils.getLocationParam(param.location);
      locationsuccess(location);
    }
  }
};

class QQMapWX {
  /**
   * 构造函数
   *
   * @param {Object} options 接口参数,key 为必选参数
   */
  constructor(options) {
    if (!options.key) {
      throw Error('key值不能为空');
    }
    this.key = options.key;
  }

  /**
   * POI周边检索
   *
   * @param {Object} options 接口参数对象
   *
   * 参数对象结构可以参考
   * @see http://lbs.qq.com/webservice_v1/guide-search.html
   */
  search(options) {
    var that = this;
    options = options || {};

    Utils.polyfillParam(options);

    if (!Utils.checkKeyword(options)) {
      return;
    }

    var requestParam = {
      keyword: options.keyword,
      orderby: options.orderby || '_distance',
      page_size: options.page_size || 10,
      page_index: options.page_index || 1,
      output: 'json',
      key: that.key
    };

    if (options.address_format) {
      requestParam.address_format = options.address_format;
    }

    if (options.filter) {
      requestParam.filter = options.filter;
    }

    var distance = options.distance || '1000';
    var auto_extend = options.auto_extend || 1;
    var region = null;
    var rectangle = null;

    //判断城市限定参数
    if (options.region) {
      region = options.region;
    }

    //矩形限定坐标(暂时只支持字符串格式)
    if (options.rectangle) {
      rectangle = options.rectangle;
    }

    var locationsuccess = function (result) {
      if (region && !rectangle) {
        //城市限定参数拼接
        requestParam.boundary =
          'region(' + region + ',' + auto_extend + ',' + result.latitude + ',' + result.longitude + ')';
        if (options.sig) {
          requestParam.sig = Utils.getSig(requestParam, options.sig, 'search');
        }
      } else if (rectangle && !region) {
        //矩形搜索
        requestParam.boundary = 'rectangle(' + rectangle + ')';
        if (options.sig) {
          requestParam.sig = Utils.getSig(requestParam, options.sig, 'search');
        }
      } else {
        requestParam.boundary =
          'nearby(' + result.latitude + ',' + result.longitude + ',' + distance + ',' + auto_extend + ')';
        if (options.sig) {
          requestParam.sig = Utils.getSig(requestParam, options.sig, 'search');
        }
      }
      wx.request(
        Utils.buildWxRequestConfig(
          options,
          {
            url: URL_SEARCH,
            data: requestParam
          },
          'search'
        )
      );
    };
    Utils.locationProcess(options, locationsuccess);
  }

  /**
   * sug模糊检索
   *
   * @param {Object} options 接口参数对象
   *
   * 参数对象结构可以参考
   * http://lbs.qq.com/webservice_v1/guide-suggestion.html
   */
  getSuggestion(options) {
    var that = this;
    options = options || {};
    Utils.polyfillParam(options);

    if (!Utils.checkKeyword(options)) {
      return;
    }

    var requestParam = {
      keyword: options.keyword,
      region: options.region || '全国',
      region_fix: options.region_fix || 0,
      policy: options.policy || 0,
      page_size: options.page_size || 10, //控制显示条数
      page_index: options.page_index || 1, //控制页数
      get_subpois: options.get_subpois || 0, //返回子地点
      output: 'json',
      key: that.key
    };
    //长地址
    if (options.address_format) {
      requestParam.address_format = options.address_format;
    }
    //过滤
    if (options.filter) {
      requestParam.filter = options.filter;
    }
    //排序
    if (options.location) {
      var locationsuccess = function (result) {
        requestParam.location = result.latitude + ',' + result.longitude;
        if (options.sig) {
          requestParam.sig = Utils.getSig(requestParam, options.sig, 'suggest');
        }
        wx.request(
          Utils.buildWxRequestConfig(
            options,
            {
              url: URL_SUGGESTION,
              data: requestParam
            },
            'suggest'
          )
        );
      };
      Utils.locationProcess(options, locationsuccess);
    } else {
      if (options.sig) {
        requestParam.sig = Utils.getSig(requestParam, options.sig, 'suggest');
      }
      wx.request(
        Utils.buildWxRequestConfig(
          options,
          {
            url: URL_SUGGESTION,
            data: requestParam
          },
          'suggest'
        )
      );
    }
  }

  /**
   * 逆地址解析
   *
   * @param {Object} options 接口参数对象
   *
   * 请求参数结构可以参考
   * http://lbs.qq.com/webservice_v1/guide-gcoder.html
   */
  reverseGeocoder(options) {
    var that = this;
    options = options || {};
    Utils.polyfillParam(options);
    var requestParam = {
      coord_type: options.coord_type || 5,
      get_poi: options.get_poi || 0,
      output: 'json',
      key: that.key
    };
    if (options.poi_options) {
      requestParam.poi_options = options.poi_options;
    }

    var locationsuccess = function (result) {
      requestParam.location = result.latitude + ',' + result.longitude;
      if (options.sig) {
        requestParam.sig = Utils.getSig(requestParam, options.sig, 'reverseGeocoder');
      }
      wx.request(
        Utils.buildWxRequestConfig(
          options,
          {
            url: URL_GET_GEOCODER,
            data: requestParam
          },
          'reverseGeocoder'
        )
      );
    };
    Utils.locationProcess(options, locationsuccess);
  }

  /**
   * 地址解析
   *
   * @param {Object} options 接口参数对象
   *
   * 请求参数结构可以参考
   * http://lbs.qq.com/webservice_v1/guide-geocoder.html
   */
  geocoder(options) {
    var that = this;
    options = options || {};
    Utils.polyfillParam(options);

    if (Utils.checkParamKeyEmpty(options, 'address')) {
      return;
    }

    var requestParam = {
      address: options.address,
      output: 'json',
      key: that.key
    };

    //城市限定
    if (options.region) {
      requestParam.region = options.region;
    }

    if (options.sig) {
      requestParam.sig = Utils.getSig(requestParam, options.sig, 'geocoder');
    }

    wx.request(
      Utils.buildWxRequestConfig(
        options,
        {
          url: URL_GET_GEOCODER,
          data: requestParam
        },
        'geocoder'
      )
    );
  }

  /**
   * 获取城市列表
   *
   * @param {Object} options 接口参数对象
   *
   * 请求参数结构可以参考
   * http://lbs.qq.com/webservice_v1/guide-region.html
   */
  getCityList(options) {
    var that = this;
    options = options || {};
    Utils.polyfillParam(options);
    var requestParam = {
      output: 'json',
      key: that.key
    };

    if (options.sig) {
      requestParam.sig = Utils.getSig(requestParam, options.sig, 'getCityList');
    }

    wx.request(
      Utils.buildWxRequestConfig(
        options,
        {
          url: URL_CITY_LIST,
          data: requestParam
        },
        'getCityList'
      )
    );
  }

  /**
   * 获取对应城市ID的区县列表
   *
   * @param {Object} options 接口参数对象
   *
   * 请求参数结构可以参考
   * http://lbs.qq.com/webservice_v1/guide-region.html
   */
  getDistrictByCityId(options) {
    var that = this;
    options = options || {};
    Utils.polyfillParam(options);

    if (Utils.checkParamKeyEmpty(options, 'id')) {
      return;
    }

    var requestParam = {
      id: options.id || '',
      output: 'json',
      key: that.key
    };

    if (options.sig) {
      requestParam.sig = Utils.getSig(requestParam, options.sig, 'getDistrictByCityId');
    }

    wx.request(
      Utils.buildWxRequestConfig(
        options,
        {
          url: URL_AREA_LIST,
          data: requestParam
        },
        'getDistrictByCityId'
      )
    );
  }

  /**
   * 用于单起点到多终点的路线距离(非直线距离)计算：
   * 支持两种距离计算方式：步行和驾车。
   * 起点到终点最大限制直线距离10公里。
   *
   * 新增直线距离计算。
   *
   * @param {Object} options 接口参数对象
   *
   * 请求参数结构可以参考
   * http://lbs.qq.com/webservice_v1/guide-distance.html
   */
  calculateDistance(options) {
    var that = this;
    options = options || {};
    Utils.polyfillParam(options);

    if (Utils.checkParamKeyEmpty(options, 'to')) {
      return;
    }

    var requestParam = {
      mode: options.mode || 'walking',
      to: Utils.location2query(options.to),
      output: 'json',
      key: that.key
    };

    if (options.from) {
      options.location = options.from;
    }

    //计算直线距离
    if (requestParam.mode == 'straight') {
      var locationsuccess = function (result) {
        var locationTo = Utils.getEndLocation(requestParam.to); //处理终点坐标
        var data = {
          message: 'query ok',
          result: {
            elements: []
          },
          status: 0
        };
        for (var i = 0; i < locationTo.length; i++) {
          data.result.elements.push({
            //将坐标存入
            distance: Utils.getDistance(result.latitude, result.longitude, locationTo[i].lat, locationTo[i].lng),
            duration: 0,
            from: {
              lat: result.latitude,
              lng: result.longitude
            },
            to: {
              lat: locationTo[i].lat,
              lng: locationTo[i].lng
            }
          });
        }
        var calculateResult = data.result.elements;
        var distanceResult = [];
        for (var i = 0; i < calculateResult.length; i++) {
          distanceResult.push(calculateResult[i].distance);
        }
        return options.success(data, {
          calculateResult: calculateResult,
          distanceResult: distanceResult
        });
      };

      Utils.locationProcess(options, locationsuccess);
    } else {
      var locationsuccess = function (result) {
        requestParam.from = result.latitude + ',' + result.longitude;
        if (options.sig) {
          requestParam.sig = Utils.getSig(requestParam, options.sig, 'calculateDistance');
        }
        wx.request(
          Utils.buildWxRequestConfig(
            options,
            {
              url: URL_DISTANCE,
              data: requestParam
            },
            'calculateDistance'
          )
        );
      };

      Utils.locationProcess(options, locationsuccess);
    }
  }

  /**
   * 路线规划：
   *
   * @param {Object} options 接口参数对象
   *
   * 请求参数结构可以参考
   * https://lbs.qq.com/webservice_v1/guide-road.html
   */
  direction(options) {
    var that = this;
    options = options || {};
    Utils.polyfillParam(options);

    if (Utils.checkParamKeyEmpty(options, 'to')) {
      return;
    }

    var requestParam = {
      output: 'json',
      key: that.key
    };

    //to格式处理
    if (typeof options.to == 'string') {
      requestParam.to = options.to;
    } else {
      requestParam.to = options.to.latitude + ',' + options.to.longitude;
    }
    //初始化局部请求域名
    var SET_URL_DIRECTION = null;
    //设置默认mode属性
    options.mode = options.mode || MODE.driving;

    //设置请求域名
    SET_URL_DIRECTION = URL_DIRECTION + options.mode;

    if (options.from) {
      options.location = options.from;
    }

    if (options.mode == MODE.driving) {
      if (options.from_poi) {
        requestParam.from_poi = options.from_poi;
      }
      if (options.heading) {
        requestParam.heading = options.heading;
      }
      if (options.speed) {
        requestParam.speed = options.speed;
      }
      if (options.accuracy) {
        requestParam.accuracy = options.accuracy;
      }
      if (options.road_type) {
        requestParam.road_type = options.road_type;
      }
      if (options.to_poi) {
        requestParam.to_poi = options.to_poi;
      }
      if (options.from_track) {
        requestParam.from_track = options.from_track;
      }
      if (options.waypoints) {
        requestParam.waypoints = options.waypoints;
      }
      if (options.policy) {
        requestParam.policy = options.policy;
      }
      if (options.plate_number) {
        requestParam.plate_number = options.plate_number;
      }
    }

    if (options.mode == MODE.transit) {
      if (options.departure_time) {
        requestParam.departure_time = options.departure_time;
      }
      if (options.policy) {
        requestParam.policy = options.policy;
      }
    }

    var locationsuccess = function (result) {
      requestParam.from = result.latitude + ',' + result.longitude;
      if (options.sig) {
        requestParam.sig = Utils.getSig(requestParam, options.sig, 'direction', options.mode);
      }
      wx.request(
        Utils.buildWxRequestConfig(
          options,
          {
            url: SET_URL_DIRECTION,
            data: requestParam
          },
          'direction'
        )
      );
    };

    Utils.locationProcess(options, locationsuccess);
  }
}

module.exports = QQMapWX;
